Osmium

Osmium
Properties
Atomic symbol	Os
Atomic number	76
Classification	Transition Metals
Atomic mass	190.2 amu
Other Information
Date of discovery	1803
Name of discoverer	Smithson Tennant and William Hyde Wollaston
Name origin	From the Greek osmê, meaning odour, due to its pungent smell.
Uses	Used to tip gold pen points and instrument pivots (such as compass needles and clock bearings). Also used to make electric light filaments and for high temperature alloys and pressure bearings.
Obtained from	Produced as a by-product of nickel refining.